. >> reporter: they flush with cash and invested about $16.4 billion in the u.s. in the past decade. $1.3 billion in california. and all in the past year. but the chinese, they are boosting the golden states housing recovery as they bought one out of every ten homes sold in the past year. >> compared to the high-end housing like in beijing, this is not that expensive though. and they thought that renting a door room was a waste of money. >> yeah, my parents decided to buy me a house as an investment outside china. >> reporter: he has sold 22% of the residence at the ritz to affluent chinese. >> they basically have a place to put their money and they look at their own economy as a place that is not very stable and the housing market is not very stable there either. >> reporter: the housing complex in irvine, california is being built for chinese buyers. separate walk cooking rooms, no unlucky fours in the addresses and multiple dances for multigenerational living. back in napa scott says that the chinese wealth is an opportunity, not a threat for the american busin